78857391 (number)

78857391 is an odd 8-digits composite number following 78857390 and preceding 78857392. In scientific notation, it is written as 7.8857391 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 48530880 positive integers (up to 78857391) that are relatively prime to 78857391.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred fifty-seven thousand three hundred ninety-one

Notation

Scientific notation 7.8857391 × 10^7
Engineering notation 7.8857391 × 10^6

Prime Factorization of 78857391

Prime Factorization 123 × 19 × 41 × 823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78857391
Product of the distinct prime numbers

The prime factorization of 78857391 is 123 × 19 × 41 × 823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 2, 96, 668, 238, 5678, 9635, 11155, 53783, 78582, 879020, 5470882, 233844, 92810700, 52988987, 979052102, 479618662, 1727887791, 7940364416

Basic calculations (n = 78857391)

Multiplication

n×y
n×2 157714782
n×3 236572173
n×4 315429564
n×5 394286955

Division

n÷y
n÷2 39428695.5
n÷3 26285797
n÷3 19714347.75
n÷5 15771478.2

Exponentiation

ny
n2 6218488115326881
n3 4.9037374873918E+23
n4 3.8669594440462E+31
n5 3.0493833286029E+39

Nth Root

y√n
2√n 8880.1684105652
3√n 428.82569627408
4√n 94.234645489678
5√n 37.96369545841

Divisors of 78857391

1, 19, 41, 123, 779, 823, 2337, 5043, 15637, 33743, 95817, 101229, 641117, 1923351, 4150389, 78857391

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78857390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78857391 can be divided by 16 positive divisors. The sum of these divisors (counting 78857391) is 1, the average is 0.0625.

Base conversion 78857391

Base System Value
2 Binary 100101100110100010010101111
3 Ternary 12111101101000010
4 Quaternary 10230310102233
5 Quinary 130141414031
6 Senary 11454104303
8 Octal 454642257
10 Decimal 78857391
12 Duodecimal 224ab093
16 Hexadecimal 4b344af
20 Vigesimal 14ch39b
36 Base36 1ay6r3

Cryptographic Hash Functions

md5 b0f99a7419f4c7bf85b64962dec0c046
sha1 4864aae6159aa77e68315415128a1e71bb6418cd
sha256 f7c9e18227a9d0c6284941832ef683183d80098d30a8c34f28c8dfb7ca71766d
sha512 005a7f5026febb8f24292e10ca412d13d144d17ec491eebe6a7d77ebd2564ba755e7f5d37c34f0ea1ad43e221fba34d0ad0d2b83512241c2adbadd5f2187e624
ripemd-160 db480ffc0bef614037e817995d37f57b39f5fa2a

78857391 as geometric shapes

Circle

Radius = n
Diameter 157714782
Circumference 495475600.49372
Area 1.9535956579546E+16

Sphere

Radius = n
Volume 2.0540727554031E+24
Surface area 7.8143826318185E+16
Circumference 495475600.49372

Square

Length = n
Perimeter 315429564
Area 6218488115326881
Diagonal 111521191.84556

Cube

Length = n
Surface area 37310928691961286
Volume 4.9037374873918E+23
Space diagonal 136585007.76432

Equilateral Triangle

Length = n
Perimeter 236572173
Area 2.6926843405023E+15
Altitude 68292503.882162

Triangular Pyramid

Length = n
Surface area 2.6926843405023E+15
Volume 5.7791100508224E+22
Height 37173730.615186